Kisik by mario mihaljčić https://padlet.com/mariomihaljcic179/xdrbasffss9x Dobivanje kisika en-us 2018-04-23 13:00:16 UTC 2023-02-21 14:26:06 UTC hello@padlet.com Na početku su bili poznati samo 7 metala, oni se nisu ni morali posebno označavati. mariomihaljcic179 https://padlet.com/mariomihaljcic179/xdrbasffss9x/wish/347293413 2019-04-01 17:07:29 UTC https://padlet.com/mariomihaljcic179/xdrbasffss9x/wish/347293413 KEMIJSKI ELEMENT mariomihaljcic179 https://padlet.com/mariomihaljcic179/xdrbasffss9x/wish/347294352 2019-04-01 17:09:05 UTC https://padlet.com/mariomihaljcic179/xdrbasffss9x/wish/347294352 John Dalton je predložio označavanje sa kružićima i oznakama unutar njih. mariomihaljcic179 https://padlet.com/mariomihaljcic179/xdrbasffss9x/wish/347298661 2019-04-01 17:16:27 UTC https://padlet.com/mariomihaljcic179/xdrbasffss9x/wish/347298661 Jons Jakob Berzelijus je prvi predložio kemijske simbole. mariomihaljcic179 https://padlet.com/mariomihaljcic179/xdrbasffss9x/wish/347301819 2019-04-01 17:22:25 UTC https://padlet.com/mariomihaljcic179/xdrbasffss9x/wish/347301819 Simboli su prvo slovo njihovog latinskog imena, ako više imena počinje sa istim prvim slovom onda se dodaje još jedno malo slovo. mariomihaljcic179 https://padlet.com/mariomihaljcic179/xdrbasffss9x/wish/347302772 2019-04-01 17:23:59 UTC https://padlet.com/mariomihaljcic179/xdrbasffss9x/wish/347302772